MESON Chess Problem Database

Problem Display
PID: 109664 (8/8/PN2K3/1k6/1P6/4B3/P1N3B1/8 w - - 0 1)

Wainwright, Joseph CJ

Checkmate, 1901

8/8/PN2K3/1k6/1P6/4B3/P1N3B1/8

#2

8 + 1

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sa4?
      • 1...Kxa4
        • 2.Bc6#
      • 1...Kc4
        • 2.Bf1#
      • 1...Kxa6!
    • 1.Sa8?
      • 1...Ka4
        • 2.Bc6#
      • 1...Kxa6
        • 2.Sc7#
      • 1...Kc4!
  • Keys
    • 1.Sd5!
      • 1...Ka4
        • 2.Sc3#
      • 1...Kc4
        • 2.Bf1#
      • 1...Kxa6
        • 2.Sc7#
      • 1...Kc6
        • 2.Sd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);
      • Vars
        • K(a);S_FLIGHT,XS(G)::B(C)
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • K(a);S_FLIGHT,XP(F)
    • Try
      • S(G);
      • Vars
        • K(a);S_FLIGHT::B(C)
        • K(a);S_FLIGHT,XP(F)::S(G)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(G);
    • Vars
      • K(a);S_FLIGHT::S(G)
      • K(a);S_FLIGHT::B(C)
      • K(a);S_FLIGHT,XP(F)::S(G)
      • K(a);S_FLIGHT::S(B)
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